EXTRA_HEADERS = \
    linux/if_ppp.h \
    linux/ppp-comp.h \
    linux/ppp_defs.h \
    net/if_ppp.h \
    net/ppp-comp.h \
    net/ppp_defs.h \
    net/pppio.h \
    net/slcompress.h \
    net/vjcompress.h

EXTRA_DIST = \
    $(EXTRA_HEADERS)
